PT - JOURNAL ARTICLE AU - Cho Natsuki AU - Taku Harada AU - Hiroshige Juichi TI - Man with periumbilical redness and umbilical drainage AID - 10.1136/emermed-2020-210944 DP - 2022 Apr 01 TA - Emergency Medicine Journal PG - 278--316 VI - 39 IP - 4 4099 - http://emj.bmj.com/content/39/4/278.short 4100 - http://emj.bmj.com/content/39/4/278.full SO - Emerg Med J2022 Apr 01; 39